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Finding the Fourth Proportional to 5,751.63, 7,935.60 and 4,422.96

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Solution

The fourth proportional to 5,751.63, 7,935.60 and 4,422.96 is: 6,102.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,751.63 : 7,935.60 = 4,422.96 : x
  2. Step 2: Convert to fraction form
    5,751.63/7,935.60 = 4,422.96/x
  3. Step 3: Cross multiply
    5,751.63x = 7,935.60 × 4,422.96
  4. Step 4: Simplify right side
    5,751.63x = 35,098,841.38
  5. Step 5: Solve for x
    x = 35,098,841.38/5,751.63
  6. Step 6: Final answer
    x = 6,102.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.